/*******************************************************************************
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *  
 * Copyright (c) 2011 Michael Chan.
 ******************************************************************************/
package com.google.code.solrdimension.indexmodifiers;

import java.util.regex.Pattern;

import org.apache.solr.common.SolrInputDocument;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.code.solrdimension.config.StaticConfiguration;
import com.google.code.solrdimension.config.dimensionvalue.AbstractDimensionValueConfig;
import com.google.code.solrdimension.config.dimensionvalue.RegexDimensionValueConfig;

public class SiftDimensionIndexModAction implements IndexModAction {

    private static Logger logger = LoggerFactory.getLogger(SiftDimensionIndexModAction.class);
    
    public boolean execute(AbstractDimensionValueConfig dimensionValueconfig, SolrInputDocument solrInputDoc, Object objectToIndex) {
        
        boolean result = false;
        
        RegexDimensionValueConfig regexDimensionValueConfig = (RegexDimensionValueConfig) dimensionValueconfig;
        
        String stringToIndex = objectToIndex.toString();
        
        if (Pattern.matches(regexDimensionValueConfig.getMatchregex(), stringToIndex)) {
            
            logger.debug("Input String: " + stringToIndex + " matches pattern: " + regexDimensionValueConfig.getMatchregex());
            
            StringBuilder fieldToAdd = new StringBuilder(regexDimensionValueConfig.getDisplayName());
            
            fieldToAdd.append(StaticConfiguration.SEPARATOR).append(stringToIndex);
            
            solrInputDoc.addField(StaticConfiguration.MULTI_VALUED_FIELD_PREFIX + regexDimensionValueConfig.getDimensionId(), regexDimensionValueConfig.getDimensionValueId() + StaticConfiguration.SEPARATOR + objectToIndex);
            
            result = true;
        }
        
        return result;
    }

}
